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A000405 as a simple table

na(n)
01
11
26
351
4561
57556
6120196
72201856
845592666
91051951026
1026740775306
11742069051906
1222310563733864
13722108667742546
1425024187820786357
15924161461265888370
1636223781285638309482
171501552062016443881514

[1,1,6,51,561,7556,120196,2201856,45592666,
 1051951026,26740775306,742069051906,
 22310563733864,722108667742546,25024187820786357,
 924161461265888370,36223781285638309482,
 1501552062016443881514]